Enable List View in the Model Browser
Select List View to view the Model Browser as a list view with groups of assemblies and parts.
- Press F2 to open the Model Browser.
 - 
                Choose the desired view;
                
- Select List View to display the Model Browser as a list with groups of assemblies and
                            parts. You can click a column heading to sort the each group in
                            increasing or decreasing order.

 - When List View is not selected, the Model Browser is displayed in a hierarchical tree view.
 
 - Select List View to display the Model Browser as a list with groups of assemblies and
                            parts. You can click a column heading to sort the each group in
                            increasing or decreasing order.